Portable computer



FIG. 1 is a perspective view of a portable computer in a closed position showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a perspective view thereof in a first open position; and,

FIG. 9 is a perspective view thereof in a second open position.

The broken lines in the drawings represent portions of the portable computer that form no part of the claimed design. 

CLAIM The ornamental design for a portable computer, as shown and described. 